53 static struct group *grcopy(const struct group *gr, char *mem, const char *, int ndx);
165 gr_copy(int ffd, int tfd, const struct group *gr, struct group *old_gr)  in gr_copy()  argument
174 	if (old_gr == NULL && gr == NULL)  in gr_copy()
179 	if (gr == NULL) {  in gr_copy()
182 		if ((line = gr_make(gr)) == NULL)  in gr_copy()
188 		sgr = gr;  in gr_copy()
427 gr_make(const struct group *gr)  in gr_make()  argument
437 	line_size = snprintf(NULL, 0, group_line_format, gr->gr_name,  in gr_make()
438 	    gr->gr_passwd, (uintmax_t)gr->gr_gid) + 1;  in gr_make()
439 	if (gr->gr_mem != NULL) {  in gr_make()
440 		for (ndx = 0; gr->gr_mem[ndx] != NULL; ndx++)  in gr_make()
441 			line_size += strlen(gr->gr_mem[ndx]) + 1;  in gr_make()
449 	p += sprintf(p, group_line_format, gr->gr_name, gr->gr_passwd,  in gr_make()
450 	    (uintmax_t)gr->gr_gid);  in gr_make()
451 	if (gr->gr_mem != NULL) {  in gr_make()
453 		for (ndx = 0; gr->gr_mem[ndx] != NULL; ndx++) {  in gr_make()
455 			p = stpcpy(p, gr->gr_mem[ndx]);  in gr_make()
467 gr_dup(const struct group *gr)  in gr_dup()  argument
469 	return (gr_add(gr, NULL));  in gr_dup()
475 gr_add(const struct group *gr, const char *newmember)  in gr_add()  argument
482 	len = grmemlen(gr, newmember, &num_mem);  in gr_add()
486 	return (grcopy(gr, mem, newmember, num_mem));  in gr_add()
515 grcopy(const struct group *gr, char *dst, const char *name, int ndx)  in grcopy()  argument
527 	if (gr->gr_name != NULL) {  in grcopy()
529 		dst = stpcpy(dst, gr->gr_name) + 1;  in grcopy()
532 	if (gr->gr_passwd != NULL) {  in grcopy()
534 		dst = stpcpy(dst, gr->gr_passwd) + 1;  in grcopy()
537 	newgr->gr_gid = gr->gr_gid;  in grcopy()
540 	if (gr->gr_mem != NULL) {  in grcopy()
541 		for (; gr->gr_mem[i] != NULL; i++) {  in grcopy()
543 			dst = stpcpy(dst, gr->gr_mem[i]) + 1;  in grcopy()
562 grmemlen(const struct group *gr, const char *name, int *num_mem)  in grmemlen()  argument
567 	if (gr == NULL)  in grmemlen()
570 	len = sizeof(*gr);  in grmemlen()
571 	if (gr->gr_name != NULL)  in grmemlen()
572 		len += strlen(gr->gr_name) + 1;  in grmemlen()
573 	if (gr->gr_passwd != NULL)  in grmemlen()
574 		len += strlen(gr->gr_passwd) + 1;  in grmemlen()
576 	if (gr->gr_mem != NULL) {  in grmemlen()
577 		for (; gr->gr_mem[i] != NULL; i++) {  in grmemlen()
578 			len += strlen(gr->gr_mem[i]) + 1;  in grmemlen()
579 			len += sizeof(*gr->gr_mem);  in grmemlen()
585 		len += sizeof(*gr->gr_mem);  in grmemlen()
589 		len += sizeof(*gr->gr_mem);  in grmemlen()
598 __gr_scan(char *line, struct group *gr)  in __gr_scan()  argument
604 	gr->gr_name = line;  in __gr_scan()
608 	gr->gr_passwd = loc + 1;  in __gr_scan()
609 	if (*gr->gr_passwd == ':')  in __gr_scan()
610 		*gr->gr_passwd = '\0';  in __gr_scan()
616 	if (sscanf(loc + 1, "%u", &gr->gr_gid) != 1)  in __gr_scan()
623 	gr->gr_mem = NULL;  in __gr_scan()
626 		gr->gr_mem = reallocf(gr->gr_mem, sizeof(*gr->gr_mem) *  in __gr_scan()
628 		if (gr->gr_mem == NULL)  in __gr_scan()
633 			gr->gr_mem[ndx] = strsep(&line, ",");  in __gr_scan()
634 		} while (gr->gr_mem[ndx] != NULL && *gr->gr_mem[ndx] == '\0');  in __gr_scan()
635 	} while (gr->gr_mem[ndx++] != NULL);  in __gr_scan()
646 	struct group gr;  in gr_scan()  local
652 	if (!__gr_scan(line_copy, &gr)) {  in gr_scan()
656 	new_gr = gr_dup(&gr);  in gr_scan()
658 	if (gr.gr_mem != NULL)  in gr_scan()
659 		free(gr.gr_mem);  in gr_scan()